{"id":37,"date":"2007-01-21T11:17:00","date_gmt":"2007-01-21T11:17:00","guid":{"rendered":"http:\/\/www.tutego.de\/blog\/javainsel\/?p=37"},"modified":"2007-01-21T11:17:00","modified_gmt":"2007-01-21T11:17:00","slug":"restart-a-died-thread","status":"publish","type":"post","link":"https:\/\/www.tutego.de\/blog\/javainsel\/2007\/01\/restart-a-died-thread\/","title":{"rendered":"Restart a died Thread"},"content":{"rendered":"<p>If a Thread dies the system&nbsp;can inform you via a Thread.UncaughtExceptionHandler. You can use it to restart&nbsp;a Thread:<\/p>\n<pre>import java.awt.Frame;<br \/>import java.io.PrintWriter;<br \/>import java.io.StringWriter;<br \/>import java.lang.Thread.UncaughtExceptionHandler;<br \/>import javax.swing.JDialog;<br \/>import javax.swing.JTextArea;<br \/><br \/>public class Main<br \/>{<br \/>  public static void main( String[] args )<br \/>  {<br \/>    ThreadHandler.startThread();<br \/>  }<br \/>}<br \/><br \/>class ThreadHandler<br \/>{<br \/>  static void startThread()<br \/>  {<br \/>    Thread t = new Thread( new MyCommand() );<br \/>    UncaughtExceptionHandler ueh = new MyUncaughtExceptionHandler();<br \/>    t.setUncaughtExceptionHandler( ueh );<br \/>    t.start();<br \/>  }<br \/><br \/>  static class MyCommand implements Runnable<br \/>  {<br \/>    public void run()<br \/>    {<br \/>      int i = 0;<br \/><br \/>      System.out.println( 12 \/ i ); \/\/ Provoke a RuntimeException<br \/>    }<br \/>  }<br \/>}<br \/><br \/>class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler<br \/>{<br \/>  public void uncaughtException( Thread thread, Throwable throwable )<br \/>  {<br \/>    StringWriter stringWriter = new StringWriter();<br \/>    PrintWriter w = new PrintWriter( stringWriter );<br \/>    throwable.printStackTrace( w );<br \/><br \/>    JDialog d = new JDialog( new Frame(), true );<br \/>    d.add( new JTextArea( stringWriter.toString() ) );<br \/>    d.setTitle( thread.getName() + \" --- \" + throwable.getMessage() );<br \/>    d.pack();<br \/>    d.setVisible( true );<br \/><br \/>    ThreadHandler.startThread(); \/\/ Restart Thread<br \/>  }<br \/>}<br \/><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>If a Thread dies the system&nbsp;can inform you via a Thread.UncaughtExceptionHandler. You can use it to restart&nbsp;a Thread: import java.awt.Frame;import java.io.PrintWriter;import java.io.StringWriter;import java.lang.Thread.UncaughtExceptionHandler;import javax.swing.JDialog;import javax.swing.JTextArea;public class Main{ public static void main( String[] args ) { ThreadHandler.startThread(); }}class ThreadHandler{ static void startThread() { Thread t = new Thread( new MyCommand() ); UncaughtExceptionHandler ueh = new MyUncaughtExceptionHandler(); [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-37","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/comments?post=37"}],"version-history":[{"count":0,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/37\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/media?parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/categories?post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/tags?post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}